.banner {
  width: 100%;
  height: 380px;
  background: url(../images/banner1.png) no-repeat;
  background-size: 100% 100%;
}

.accordion {
  width: 100%;
  width: 900px;
  margin: 30px auto 20px;
  background: #fff;
  -webkit-border-radius: 4px;
  -moz-border-radius: 4px;
  border-radius: 4px;
}
.accordion li {
  cursor: pointer;
}
.accordion .link {
  background-color: #f3f3f3;
  width: 900px;
  height: 69px;
  line-height: 69px;
  padding: 0 27px;
  font-size: 16px;
  letter-spacing: 1px;
  color: #000000;
  position: relative;
  -webkit-transition: all 0.4s ease;
  -o-transition: all 0.4s ease;
  transition: all 0.4s ease;
  margin-bottom: 30px;
  box-sizing: border-box;
}

.accordion li:last-child .link {
  border-bottom: 0;
}

.accordion li i {
  width: 22px;
  height: 12px;
  position: absolute;
  top: 28px;
  right: 35px;
  font-size: 18px;
  color: #595959;
  -webkit-transition: all 0.4s ease;
  -o-transition: all 0.4s ease;
  transition: all 0.4s ease;
}

.accordion li i.fa_down {
  background: url(../images/icon_down.png) no-repeat;
  font-size: 16px;
}

.accordion li.open .link {
  background-color: #009fe9;
  color: #ffffff;
}
.accordion li.open i {
  color: #b63b4d;
}
.accordion li.open i.fa_down {
  background: url(../images/icon_up.png) no-repeat;
  -webkit-transform: rotate(180deg);
  -ms-transform: rotate(180deg);
  -o-transform: rotate(180deg);
  transform: rotate(180deg);
}

.submenu {
  box-sizing: border-box;
  padding: 0px 27px 80px;
  display: none;
}

.accordion li:last-child .submenu {
  padding-bottom: 20px;
}

.submenu li {
  border-bottom: 1px solid #4b4a5e;
}
.submenu .cont {
  font-size: 16px;
  line-height: 30px;
  letter-spacing: 1px;
  color: #505050;
}
.submenu a {
  /* display: block; */
  text-decoration: none;
  color: #d9d9d9;
  padding: 12px;
  padding-left: 42px;
  -webkit-transition: all 0.25s ease;
  -o-transition: all 0.25s ease;
  transition: all 0.25s ease;
}

.submenu a:hover {
  background: #b63b4d;
  color: #fff;
}

.articleRight{
  margin-top: 0;
}